000
AXPZ20 KNHC 240248
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU MAR 24 2011

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0230 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS IS ANALYZED FROM 08N83W 
TO 04N102W TO 04N140W. SCATTERED MODERATE WITHIN 120 NM N AND 75 
NM S OF AXIS W OF 130W.

...DISCUSSION...

A DISSIPATING COLD FRONT EXTENDS FROM 30N121W TO 21N140W. FRESH 
20 KT WINDS PREVAIL FROM 21N TO 25N W OF FRONT. THIS FRONT IS 
FORECAST TO DISSIPATE OVER THE NEXT 24 HOURS IN THE VICINITY OF 
THE NORTHERN GULF OF CALIFORNIA REGION. 

FRESH TRADE WINDS PREVAIL FROM 06N TO 21N W OF 128W. HIGH 
PRESSURE 1034 MB LOCATED NEAR 35N158W HAS RIDGE EXTENDING INTO 
THE AREA W OF THE COLD FRONT MENTIONED ABOVE. AS THE COLD FRONT 
SHIFTS E...THE RIDGE WILL EXTEND FURTHER WESTWARD BEHIND THE 
FRONT. THIS WILL INCREASE THE AREAL COVERAGE OF TRADES OVER THE 
NEXT 24 HOURS.

THE PRESSURE GRADIENT BETWEEN RIDGING OVER THE N WATERS AND 
TROUGHING OVER CENTRAL MEXICO IS PRODUCING FRESH NW WINDS N OF 
25N WITHIN 90 NM W OF BAJA CALIFORNIA. THIS AREA OF FRESH WINDS 
WILL CONTINUE THROUGH THE FORECAST PERIOD.

GAP WINDS...
GULF OF CALIFORNIA...A STRONG PRES GRADIENT BETWEEN TROUGHING 
OVER CENTRAL MEXICO AND RIDGING OVER N WATERS WILL ALLOW 20 KT 
WINDS TO CONTINUE OVER THE SOUTHERN PORTION OF THE GULF OF 
CALIFORNIA OVER THE NEXT 48 HOURS. 

FRESH TO STRONG TRADES IN THE SW CARIBBEAN CONTINUE TO FUNNEL 
INTO THE GULFS OF PAPAGAYO AND PANAMA. THESE WINDS WILL DIMINISH 
BELOW 20 KT OVER THE NEXT 24 HOURS. 

$$
AL